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R Crucis est une étoile de la constellatio … R Crucis est une étoile de la constellation de la Croix du Sud. C'est une variable Céphéide classique, dont la magnitude apparente varie entre 6,4 et 7,23 sur une période de 5,82575 jours. C'est une supergéante jaune-blanc qui pulse entre les types spectraux F6Ib-II et G2Ib-II. Son rayon est de 44,6 fois celui du Soleil.on rayon est de 44,6 fois celui du Soleil.
, R Crucis är en pulserande variabel av Delt … R Crucis är en pulserande variabel av Delta Cephei-typ (DCEP) i stjärnbilden Södra korset. Stjärnan var den första i Södra korsets stjärnbild som fick en variabelbeteckning. Stjärnan varierar mellan visuell magnitud +6,4 och 7,23 med en period av 5,82575 dygn.,4 och 7,23 med en period av 5,82575 dygn.
, R Crucis is a variable star in the souther … R Crucis is a variable star in the southern constellation of Crux. It has a yellow-white hue and is often too faint to see with the naked eye, having an apparent visual magnitude that fluctuates around 6.89. This object is located at a distance of approximately 1,600 light years from the Sun based on parallax, but it is drifting closer with a radial velocity of −13.5 km/s. This is a Classical Cepheid, or Delta Cephei variable, that ranges in brightness from visual magnitude 6.40 down to 7.23 with a period of 5.82575 days. It is a supergiant star with a stellar classification that varies over each pulsation cycle, giving it a class range of F6-G2Ib-II. The star has a mean radius 44.6 times the radius of the Sun (44.6 R☉), but the radius varies by 5 R☉ during each pulsation. It has a near solar metallicity and the atmospheric abundances indicate it is likely past first dredge-up. A candidate companion star has been detected at an angular separation of 7.6″, which corresponds to a projected separation of 6,330 AU. The Hubble WFC3 shows a closer companion at a separation of 1.9″. The system is a source for X-ray emission but the contributing component is unclear.but the contributing component is unclear.
, R Crucis è una stella supergigante bianco-gialla di magnitudine 6,90 situata nella costellazione della Croce del Sud. A volte viene classificata come gigante brillante. Dista 508 anni luce dal sistema solare.
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6.89
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F6-G2Ib-II or F7Ib/II
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J2000.0
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+0.06
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0.54
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1.98
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−0.430
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-9.404
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44.6
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| rdfs:comment |
R Crucis è una stella supergigante bianco-gialla di magnitudine 6,90 situata nella costellazione della Croce del Sud. A volte viene classificata come gigante brillante. Dista 508 anni luce dal sistema solare.
, R Crucis är en pulserande variabel av Delt … R Crucis är en pulserande variabel av Delta Cephei-typ (DCEP) i stjärnbilden Södra korset. Stjärnan var den första i Södra korsets stjärnbild som fick en variabelbeteckning. Stjärnan varierar mellan visuell magnitud +6,4 och 7,23 med en period av 5,82575 dygn.,4 och 7,23 med en period av 5,82575 dygn.
, R Crucis is a variable star in the souther … R Crucis is a variable star in the southern constellation of Crux. It has a yellow-white hue and is often too faint to see with the naked eye, having an apparent visual magnitude that fluctuates around 6.89. This object is located at a distance of approximately 1,600 light years from the Sun based on parallax, but it is drifting closer with a radial velocity of −13.5 km/s.oser with a radial velocity of −13.5 km/s.
, R Crucis est une étoile de la constellatio … R Crucis est une étoile de la constellation de la Croix du Sud. C'est une variable Céphéide classique, dont la magnitude apparente varie entre 6,4 et 7,23 sur une période de 5,82575 jours. C'est une supergéante jaune-blanc qui pulse entre les types spectraux F6Ib-II et G2Ib-II. Son rayon est de 44,6 fois celui du Soleil.on rayon est de 44,6 fois celui du Soleil.
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| rdfs:label |
R Crucis
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